This is using Mohans build for Windows 20030802.

I'll attach the files in question.

\thisiscool-gcc\gcc-3.3\bin\gcj --main=HelloSWT --classpath=\thisiscool-
gcc\swt\win32\lib\swt.jar -o HellOSWT.exe HelloSWT.java -L\thisiscool-
gcc\swt\win32\lib jakarta-regexp-1.2.jar -lswt


org/apache/regexp/ReaderCharacterIterator.class:0: internal compiler error: 
Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.mingw.org/bugs.shtml> for instructions.

C:\thisiscool-gcc\examples\HelloSWT>\thisiscool-gcc-20030802\gcc-3.3\bin\gcj -v
Reading specs from /thisiscool-gcc-20030802/gcc-3.3/bin/../lib/gcc-lib/i686-pc-m
ingw32/3.3/specs
Reading specs from /thisiscool-gcc-20030802/gcc-3.3/bin/../lib/gcc-lib/i686-pc-m
ingw32/3.3/../../../../i686-pc-mingw32/lib/libgcj.spec
rename spec lib to liborig
Configured with: /datal/gcc/gcc/configure --prefix=/datal/gcc/build/wingcc --bui
ld=i686-pc-linux-gnu --host=i686-pc-mingw32 --target=i686-pc-mingw32 --enable-la
nguages=c,c++,java --with-gcc --with-gnu-as --with-gnu-ld --with-as=i686-pc-ming
w32-as --with-ld=i686-pc-mingw32-ld --enable-threads=win32 --disable-nls --disab
le-win32-registry --disable-shared --disable-debug --without-newlib --enable-lib
gcj --disable-java-awt --without-x --enable-java-gc=boehm --disable-libgcj-debug
 --enable-interpreter --enable-hash-synchronization --enable-sjlj-exceptions
Thread model: win32
gcc version 3.3 (mingw special 20030514-1)